The most common reason a fridge leaks water on the floor. Food debris and ice block the defrost drain at the back of the freezer, so melt water overflows instead of draining to the evaporation pan. DIY-safe: locate the drain hole, flush it gently with warm water using a turkey baster, and clear soft buildup. If it refreezes quickly, a heater or check-valve fault needs a technician.
If your model has a water dispenser or ice maker, the inlet valve feeds it from your home supply. A cracked valve or loose compression fitting causes steady water pooling under the refrigerator. DIY-safe: check that the saddle valve and supply line behind the unit are snug and dry. A failed valve carries 120V and water under pressure, so replacement is technician-only.
Leaking water filter housing
A poorly seated, wrong-size, or cracked water filter is a frequent source of interior and floor leaks. DIY-safe: remove the filter, confirm it is the correct OEM part, reseat it firmly until it clicks, and verify the cap or bypass is not cracked. If the housing itself drips after a proper reseat, the head assembly is failing and should be inspected by a tech.
The plastic or copper line feeding the ice maker can crack, loosen at the connection, or freeze and split, dripping behind and beneath the fridge. DIY-safe: inspect the visible line for kinks, frost, or wet spots and confirm fittings are hand-tight. Replacing a cracked line or a frozen-over ice maker module involves the water supply and electrical connectors, so leave that to a technician.
Cracked or overflowing drain pan
Defrost water collects in a drain pan beneath the fridge to evaporate. A cracked, dislodged, or overfilled pan lets water reach the floor. DIY-safe: with the fridge unplugged, slide it out, locate the pan at the base, and check for cracks or excess water. A cracked pan needs replacement; persistent overfilling signals a defrost or seal problem a technician should diagnose.
Worn or loose door gasket
A failing door seal lets warm, humid South Florida air inside, causing excess condensation and ice that later melts and drips. DIY-safe: inspect the gasket for tears, gaps, or food residue and clean it with warm soapy water. If the door does not seal after cleaning, the gasket is worn and a technician can replace it to stop the moisture and protect your compressor.